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	<title>Measurement ommision - Revision history</title>
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	<updated>2026-07-02T17:03:09Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>https://wiki.objectivismonline.com/index.php?title=Measurement_ommision&amp;diff=7940&amp;oldid=prev</id>
		<title>GreedyCapitalist at 06:59, 10 June 2006</title>
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		<updated>2006-06-10T06:59:19Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Measurement omission is the process by which one unites many [[existents]] under a common name, thus forming a concept.&lt;br /&gt;
Existents contained under a certain concept, according to [[Ayn Rand]]&amp;#039;s theory share common [[attributes]], but differ in their specific [[measurements]]. To form a proper concept one identifies the [[CCD]] ([[Conceptual Common Denominator]]), which is the set of attributes common to the existents, and omit the specific measurements of these existents, in some case retaining a range of possible measurements.&lt;br /&gt;
&lt;br /&gt;
[[Concepts]] form the basis of all abstract knowledge. The process of [[concept formation]] and measurement omission is thoroughly discussed in Ayn Rand&amp;#039;s [[Introduction to Objectivist Epistemology]].&lt;/div&gt;</summary>
		<author><name>GreedyCapitalist</name></author>
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